Problem 2. Suppose that 10% of all steel shafts produced by a certain process are nonconforming but can be reworked (rather than having to be scrapped). Con- sider a random sample of 200 shafts.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
icon
Related questions
Question
Problem 2. Suppose that 10% of all steel shafts produced by a certain process
are nonconforming but can be reworked (rather than having to be scrapped). Con-
sider a random sample of 200 shafts.
a) What is the probability that the number of shafts that are nonconforming and
can be reworked is at most 45?
b) What is the probability that the number of shafts that are nonconforming and
can be reworked is more than 100 and less than 161?
c) What is the expected number of shafts that are nonconforming and can be
reworked?
Transcribed Image Text:Problem 2. Suppose that 10% of all steel shafts produced by a certain process are nonconforming but can be reworked (rather than having to be scrapped). Con- sider a random sample of 200 shafts. a) What is the probability that the number of shafts that are nonconforming and can be reworked is at most 45? b) What is the probability that the number of shafts that are nonconforming and can be reworked is more than 100 and less than 161? c) What is the expected number of shafts that are nonconforming and can be reworked?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,